Best Answer: I'd say about 10-15 mins walking at a relatively average pace!! Fastest time to run a mile is around 4 minutes. The average time to walk a mile is 12 minutes, so half a mile would be 6 minutes. i walk a mile every morning in 15-20 minutes, so probably 10 minutes. At a semi rapid rate about 7 1/2 minutes.
Allergy is one of the most common causes for burning sensation in nose. It can be a seasonal allergy or an allergy associated with pollution. Certain gases and smoke released from chemical substances may pollute the air and find their way into the nose and air passages.
The next potential cause is nasal allergies, or allergic rhinitis. This is also quite common, and is typically provoked by a whole assortment if indoor allergens like mites and mold. Often with nasal allergies there is stuffiness or sneezing in addition to the uncomfortable burning sensation. Nasal allergies can be treated with a combination of allergen avoidance and anti allergy medications like anti histamines and nasal steroid sprays.